Slopographic app
Slopculator
A calculator with a paper tape, units, currency and date arithmetic.
About Slopculator
Slopculator is a calculator that keeps a paper tape of what you worked out. It handles brackets, percentages, powers, roots and units, and currency with exchange rates you enter yourself. It also does date and time arithmetic, such as 2026-01-31 + 1 month. You can save a calculation to Slop Drive, or add a date result to Slop Calendar. Nothing is uploaded.