Tabula: Retro Calculator

Calculators used to be fun. Tabula brings that back. Tabula is an everyday calculator remastered as the machines you grew up with. Pick an era, from a cream 80s desk calculator to a chunky handheld console, a neon synthwave dashboard, or an amber terminal, and do your daily math on something with personality. Underneath the nostalgia is a fast, modern calculator built for real life: split a dinner bill, add up a grocery run, check a budget, or work through numbers step by step without losing your place. FEATURES * Nine era-accurate themes, each tuned for light and dark mode * Editable equations: tap any operator in the expression to change it, no retyping * History: every calculation saved, tap any past result to pick up where you left off * Paper tape: your whole session on one receipt-style ribbon you can copy and share * Tip mode: tip and per-person totals without leaving the calculator * Memory register: classic M+, M-, MR, MC for chained calculations * Constants library: insert pi, e, phi, the speed of light, and more with one tap * Home screen widgets: last result, history, memory, and theme showcase * Live Activities: keep your running calculation on the Lock Screen * Matching app icons so your home screen fits your vibe * Haptics, optional sound effects, and adjustable decimals and rounding PAY ONCE, OWN IT FOREVER Tabula Pro is a single one-time purchase. No subscription, no ads, no accounts. Unlock every theme, every app icon, the paper tape, tip mode, constants, memory, and more, forever. Numbers do not have to be boring. Pick your era.