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 — choose the unit your question uses.
Results are given in the same unit. A full unit-conversion table is shown below the answers.
Side a
Side b
Side c
Enter side lengths above, then press Compute.
📐 GeometryBearings
🧭
Bearings & Scale Drawing
GR 9
Select a mode above.
MathOS
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Add to home screen — works 100% offline
⚡ OFFLINE MODE
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