Shanghai Sheyuan Network Technology Co., Ltd.

Electrician Exam: Journeyman

App Free

• Version: 1.2
• Size: 1.53 MB
• Release date: 2026-08-25
• Min iOS: 17.0
• Bundle ID: com.sy.txjourneymancalc

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Welding Sheet Metal Calculator

App Free

• Version: 1.0.6
• Size: 1.31 MB
• Release date: 2026-05-13
• Min iOS: 17.0
• Bundle ID: com.sy.weldingfabtoolkit2

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FE Civil Exam Prep

App Free

• Version: 1.1.0
• Size: 6.87 MB
• Release date: 2026-04-22
• Min iOS: 17.0
• Bundle ID: com.sy.fecivilprep

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EPA 609 Certification Prep

App Free

• Version: 1.0.6
• Size: 1.65 MB
• Release date: 2026-04-21
• Min iOS: 17.0
• Bundle ID: com.sy.epa609prep

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EPA 608 Certification Prep

App Free

• Version: 1.0.4
• Size: 3.31 MB
• Release date: 2026-04-21
• Min iOS: 17.0
• Bundle ID: com.sy.epa608prep

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Oilfield Calculator: Drilling

App Free

• Version: 1.0.10
• Size: 1.41 MB
• Release date: 2026-04-15
• Min iOS: 17.0
• Bundle ID: com.sy.oilgasminingtoolkit

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HVAC Calculator: Load & Charge

App Free

• Version: 1.1.0
• Size: 1.45 MB
• Release date: 2026-04-15
• Min iOS: 17.0
• Bundle ID: com.sy.hvacthermaltoolkit

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Boat Calculator: Marine Engine

App Free

• Version: 1.0.11
• Size: 2.86 MB
• Release date: 2026-04-15
• Min iOS: 17.0
• Bundle ID: com.sy.marineoffshoretoolkit

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Data Center Engineer Toolkit

App Free

• Version: 1.0.11
• Size: 1.33 MB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.dcengineertoolkit

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EarthGrid Resist

App $1.99

• Version: 1.0.2
• Size: 1.06 MB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.earthgridresist

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Fence Calculator: Perimeter

App $1.99

• Version: 1.0.3
• Size: 971.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.perimeterfenceest

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CablePathway Calc

App $4.99

• Version: 1.0.2
• Size: 919.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.cablepathwaycalc

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BollardSpacing Calc

App $1.99

• Version: 1.0.2
• Size: 899.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.bollardspacingcalc

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FiberCount Planner

App $1.99

• Version: 1.0.2
• Size: 839.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.fibercountplanner

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RaisedFloor Load

App $1.99

• Version: 1.0.2
• Size: 1.01 MB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.raisedfloorload

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FireSuppress Calc

App $1.99

• Version: 1.0.2
• Size: 975.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.firesuppresscalc

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FiberPull Tension

App $1.99

• Version: 1.0.2
• Size: 991.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.fiberpulltension

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AccessDoor Count

App $1.99

• Version: 1.0.2
• Size: 923.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.accessdoorcount

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SpliceTime Est

App $1.99

• Version: 1.0.2
• Size: 1.1 MB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.splicetimeest

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BusductAmp Calc

App $1.99

• Version: 1.0.2
• Size: 1015.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.busductampcalc

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CoolingPUE Calc

App $1.99

• Version: 1.0.2
• Size: 895.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.coolingpuecalc

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RackHeat kW Calc

App $1.99

• Version: 1.0.2
• Size: 971.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.rackheatcalc

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ChilledWater Delta

App $4.99

• Version: 1.0.2
• Size: 1.02 MB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.chilledwaterdelta

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ATS Load Transfer

App $1.99

• Version: 1.0.2
• Size: 891.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.atsloadtransfer

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HarmonicTHD Calc

App $1.99

• Version: 1.0.2
• Size: 1023.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.harmonicthdcalc

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PowerDensity Rack

App $1.99

• Version: 1.0.2
• Size: 923.0 KB
• Release date: 2026-04-10
• Min iOS: 17.0
• Bundle ID: com.sy.powerdensityrack

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PDU Load Balance

App $1.99

• Version: 1.0.2
• Size: 855.0 KB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.pduloadbalance

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CDU Flow Rate Calc

App $1.99

• Version: 1.0.2
• Size: 875.0 KB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.cduflowratecalc

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DCBus Voltage Calc

App $1.99

• Version: 1.0.2
• Size: 907.0 KB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.dcbusvoltagecalc

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BatteryVent Calc

App $1.99

• Version: 1.0.2
• Size: 963.0 KB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.batteryventcalc

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GlycolMix Freeze

App $1.99

• Version: 1.0.2
• Size: 1011.0 KB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.glycolmixfreeze

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GenSet Fuel Burn

App $1.99

• Version: 1.0.2
• Size: 1.03 MB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.gensetfuelburn

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UPS Runtime Calc

App $1.99

• Version: 1.0.2
• Size: 827.0 KB
• Release date: 2026-04-09
• Min iOS: 17.0
• Bundle ID: com.sy.upsruntimecalc

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Trilateration Position Calc

App $1.99

• Version: 1.0.3
• Size: 947.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.trilatcalc

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BTU Calculator: Room Heater

App $4.99

• Version: 1.0.4
• Size: 1023.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.radiatorbtusizer

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Boiler Efficiency & Fuel

App $4.99

• Version: 1.0.3
• Size: 991.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.boilerefficiencycalc

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Motor Start Current Calculator

App $4.99

• Version: 1.0.3
• Size: 931.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.motorstartcurrent

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Ground Rod Resistance Calc

App $4.99

• Version: 1.0.3
• Size: 903.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.groundrodcalc

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Laser Level Grade Calculator

App $4.99

• Version: 1.0.3
• Size: 903.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.laserlevelgrade

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Heat Exchanger Duty Calc

App $4.99

• Version: 1.0.3
• Size: 1.05 MB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.heatexchangerduty

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Battery Bank Size Planner

App $4.99

• Version: 1.0.3
• Size: 951.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.batterybanksizer

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Sandblast Production Calc

App $1.99

• Version: 1.0.3
• Size: 995.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.sandblastratecalc

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Air Receiver Tank Sizing

App $4.99

• Version: 1.0.4
• Size: 911.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.airreceiversize

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Tank Heat-Up Calculator

App $1.99

• Version: 1.0.3
• Size: 1003.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.tankheatupcalc

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Cathodic Protection Calc

App $4.99

• Version: 1.0.3
• Size: 919.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.cathodicprotectcalc

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Agitator Mixer Speed Calc

App $1.99

• Version: 1.0.3
• Size: 927.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.agitatorspeedcalc

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Chemical Dilution Calc

App $1.99

• Version: 1.0.3
• Size: 923.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.chemdilutecalc

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Sludge Dewatering Calculator

App $1.99

• Version: 1.0.3
• Size: 955.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.sludgevolumecalc

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Chlorine Dose Calculator

App $4.99

• Version: 1.0.3
• Size: 863.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.chlorinedosecalc

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Weir Open Channel Flow Calc

App $4.99

• Version: 1.0.2
• Size: 967.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.flowweircalc

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Mulch Volume & Depth Calc

App $1.99

• Version: 1.0.2
• Size: 911.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.mulchdepthest

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Tree Felling Cut Calculator

App $1.99

• Version: 1.0.3
• Size: 967.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.treeleanfellcalc

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Retaining Wall Calculator

App $4.99

• Version: 1.0.4
• Size: 1011.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.retainwallcalc

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Stump Grinding Estimator

App $4.99

• Version: 1.0.4
• Size: 1.11 MB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.stumpgrindest

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Tire Load & Speed Index

App $1.99

• Version: 1.0.3
• Size: 1.05 MB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.tirepsiloadindex

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Fuel Injector Flow Rate Calc

App $1.99

• Version: 1.0.2
• Size: 1003.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.injectorflowcalc

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Engine Displacement Calc

App $4.99

• Version: 1.0.3
• Size: 891.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.enginedisplacecalc

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Diff Gear Ratio Calculator

App $1.99

• Version: 1.0.2
• Size: 903.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.diffgearratiocalc

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Casing Burst & Collapse Calc

App $4.99

• Version: 1.0.3
• Size: 971.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.casingburstcalc

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Rock Density Calculator

App $1.99

• Version: 1.0.3
• Size: 1019.0 KB
• Release date: 2026-04-08
• Min iOS: 17.0
• Bundle ID: com.sy.rockdensityest

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