Help & Tips
Getting Started
Abicus is designed to be intuitive and easy to use. Here's how to get started:
- Enter numbers using the on-screen buttons or your keyboard
- Select mathematical operations (+, -, ×, ÷) or scientific functions
- Press the equals button (=) or Enter key to calculate
- Use the result for further calculations or clear to start fresh
Keyboard Shortcuts
Basic Operations
0-9Number input
+, -, *, /Mathematical operators
EnterCalculate result
EscapeClear display
Advanced Functions
BackspaceDelete last digit
.Decimal point
Available Functions
Trigonometric
- sin, cos, tan: Trigonometric functions in degrees
- √: Square root function
- x^y: Power function (x^y)
Logarithmic
- log: Base-10 logarithm
- ln: Natural logarithm
- π: Pi constant (3.14159...)
Pro Tips
- 💡Use keyboard shortcuts for faster input
- 💡Trigonometric functions work in degrees by default
- 💡Press AC to clear all calculations
- 💡The calculator maintains precision for complex calculations
About Abicus
Abicus is a scientific calculator developed by the Finnish Matriculation Examination Board for use in digital assessments.
Unlike commercial calculators, Abicus is designed with deliberate limitations to promote understanding of fundamental mathematical procedures.
This approach ensures that students demonstrate their knowledge of mathematical concepts rather than relying on automated symbolic computation.