Online Scientific & Graphing Calculator
HISTORY
History empty
BASIC
SCI
DEV
CONV
EQN
GRAPH
AREA
BMI
AI
COPIED
SAVED
HEX:
0
DEC:
0
BIN:
0
DEG
M
CM
MM
Feet
Inch
Dimensions (W x L x H)
×
×
Slab Dimensions (Optional)
×
Total Area:
0
Total Volume:
0
Slab Count:
0
Visualization
Height:
CM
Weight:
KG
Age:
Yrs
Gender:
M
F
--.-
BMI
BMR (Basal Rate):
-- Cal/day
Underweight
Normal
Overweight
Obese
Quadratic
2×2 System
3×3 System
a·x² + b·x + c = 0
a
b
c
a₁x + b₁y = c₁ | a₂x + b₂y = c₂
a·x + b·y + c·z = d (three rows)
Solution
—
f(x) =
X min
X max
Plot
AI Math Assistant
Result
Formulas
Detailed
AI Settings
API KEY
Key is stored locally in your browser.
AI MODEL
Gemini 3.8 Flash (primary)
Gemini 3.5 Flash-Lite (fallback)
Enter manually (Custom)...
Cancel
Save
How to get API Key?
To use AI features, you need a free Google Gemini API Key.
Go to
Google AI Studio
.
Click on
"Create API Key"
.
Copy the key (starts with "AIza...").
Paste it into the
API KEY
field in Settings.
Got it
Help & Guide
Calculator Modes
BASIC:
Standard arithmetic.
Ans
inserts the previous result.
SCI:
Scientific functions (sin, cos, log…). Toggle DEG/RAD/GRAD via
DRG
.
DEV:
Programmer tools (HEX/DEC/BIN, AND/OR/XOR, shifts).
CONV:
Unit converter (Length, Mass, Temperature, …).
EQN:
Equation solver (quadratic, 2×2 and 3×3 linear systems).
GRAPH:
Plot a function over a chosen x-range.
AREA:
Surface, volume and tile-count helper.
BMI:
Body Mass Index + BMR estimate.
AI:
Send math questions (and images) to Google Gemini.
Tips
Double-click the main display to copy the result.
Press
Enter
to calculate / solve / plot.
Press
Esc
to close a dialog or clear input.
The
icon exports history as CSV.
Close