Calculator Test Page
This page tests the shared graphing calculator functionality used across all subject pages.
Open Calculator
Test Instructions:
Click the "Open Calculator" button above
Test basic arithmetic operations (+, -, ×, ÷)
Test scientific functions (sin, cos, tan, log, ln, √)
Test the graphing functionality with the examples below
Try zooming in/out and changing axis ranges
Function Examples to Test:
x^2 (parabola)
sin(x) (sine wave)
cos(x) (cosine wave)
log(x) (logarithm)
x^3 - 2*x + 1
sqrt(x)
1/x (hyperbola)
2^x (exponential)
Expected Features:
✓ Scientific calculator with all basic operations
✓ Function graphing with real-time plotting
✓ Zoom controls (in, out, reset)
✓ Adjustable X and Y axis ranges
✓ Grid system with axis labels
✓ Keyboard support for calculator input
✓ Error handling for invalid expressions
✓ Responsive design for mobile devices
Scientific Graphing Calculator
×
0
0
C
CE
⌫
÷
sin
cos
tan
×
7
8
9
−
4
5
6
+
1
2
3
=
0
.
√
log
ln
x^y
π
Function Grapher
f(x) =
Plot
+
-
Clear All
Test x²
Zoom In
Zoom Out
Reset
X Range:
to
Y Range:
to