MathOS
COMPETENCY BASED CURRICULUM · JUNIOR SCHOOL
22 MODULES ⚡ OFFLINE
🔢 Numbers & Algebra
📐 Geometry & Measurement
📊 Data & Patterns
💰 Finance & Business
⚗️ Algebra & Equations
MathOS v6
SHIFTALPHADEG
NORMMATHFRACDEG
0
a b/c
d/dx
x⁻¹
Logₓy
sin⁻¹
cos⁻¹
tan⁻¹
10ˣ
PreAns
⚗️ AlgebraLinear Equations
⚖️
Linear Equations
GR 8–9
x +y =
x +y =
Enter coefficients then press Solve.
⚗️ AlgebraMatrix 2×2
🔲
Matrix 2×2
GR 9


Enter matrix values above.
🔢 NumbersRatio & Percentage
📊
Ratio & Percentage
GR 7–8
Select an operation above.
🔢 NumbersFractions
½
Fractions
GR 7
Numerator 1
Denominator 1
Numerator 2
Denominator 2
Enter fraction values above.
🔢 NumbersIndices & Exponents
ⁿ√
Indices / Exponents
GR 8–9
Base (a)
Power m
Power n
Select operation above.
📐 GeometrySector Geometry
🥧
Sector Geometry
GR 8–9
Select what to find above.
📐 GeometryShapes
🔷
Shapes — Area & Perimeter
GR 7–9
Shape
Select a shape above.
📐 GeometryVolume & Surface Area
📦
Volume & Surface Area
GR 7–9
Solid
Select a solid above.
📐 GeometryPythagoras
📐
Pythagoras' Theorem
GR 8
Side a
Side b
Enter two sides to find the third.
📐 GeometryTrigonometry
📡
Trigonometry
GR 9
Select what to find above.
📐 GeometryGraph Plotter
📈
Graph Plotter
GR 8–9
Line 1
yx+
Line 2
yx+
📊 DataStatistics
📉
Statistics
GR 7–9
Data (comma-separated)
Enter data above.
📊 DataProbability
🎲
Probability
GR 8–9
Select a probability type above.
💰 FinanceHire Purchase
🛒
Hire Purchase
GR 9
Cash Price
Hire Purchase Price (Ksh)
Deposit (Ksh)
Installment / Month (Ksh)
Number of Months
How it works:
HP Price = Deposit + (Installment × Months)
Interest = HP Price − Cash Price
Fill in the known values and press Analyse.
💰 FinanceTax & Money
💰
Tax & Money
GR 8–9
Select operation above.
🔢 NumbersSequences
🔢
Sequences
GR 7–9
Select sequence type above.
📊 DataSpeed / Distance / Time
🚀
Speed / Distance / Time
GR 7–8
Speed
Distance
Time
Enter two known values above.
💰 FinanceMoney Growth
📈
Money Growth
GR 8–9
Select an operation above.
💰 FinanceCurrency & Profit
💱
Currency & Profit
GR 7–9
Select an operation above.
📐 GeometryTriangle Circles
🔺
Triangle Circles
GR 8–9
Enter the three side lengths of the triangle.
The tool draws the incircle (touching all three sides) and circumcircle (touching all three vertices), then measures both radii.
Side a
Side b
Side c
Enter side lengths above, then press Compute.
📐 GeometryBearings
🧭
Bearings
GR 9
Select a bearing operation above.
MathOS
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