01 / Scientific calculator
Sum↗
Trigonometry, powers, factorials, memory, and reusable history. A calculator with a little more character.
SUM / Precision instrument
20
Memory 0
Enter to calculate · Escape to clear · π, e, ^, ! supported. Results use floating-point precision.
A look under the surfaceUseful by design.
Useful by design.
Curious by nature.
Expressions follow mathematical precedence. Powers associate from the right; unary minus applies after powers. Percent divides a value by 100. Switch between degrees and radians for trigonometry.
power → factorial [ ^ unary ]
product → unary { × unary | ÷ unary }
sum → product { + product | − product }