Mathematics and Science unpack with Promaths SD

Solving Mathematics and Science related problems, on a mission to end mathematics and science phobia.

Sequences and series| Recurring Decimals Application| Show that 9.999... = 10(Not approximately)!
Sequences and series| Recurring Decimals Application| Show that 9.999... = 10(Not approximately)!
Sequences and Series| Converting - Recurring decimals to Fractions
Sequences and Series| Converting - Recurring decimals to Fractions
EGCSE Mathematics | Trigonometry Past Paper Questions Solved (Full Walkthrough)
EGCSE Mathematics | Trigonometry Past Paper Questions Solved (Full Walkthrough)
EGCSE Mathematics 2024|Trigonometry|Paper 4 - Question 4
EGCSE Mathematics 2024|Trigonometry|Paper 4 - Question 4
Sine Rule vs Cosine Rule | How to Choose in 1 Second?| (IGCSE/EGCSE/GCE Maths)
Sine Rule vs Cosine Rule | How to Choose in 1 Second?| (IGCSE/EGCSE/GCE Maths)
EGCSE Mathematics|2024 Paper 3|Full Solutions
EGCSE Mathematics|2024 Paper 3|Full Solutions
EGCSE Transformations | 2024 Final Exam Paper 4 Question 3 | Solution Explained
EGCSE Transformations | 2024 Final Exam Paper 4 Question 3 | Solution Explained
EGCSE Tree Diagram
EGCSE Tree Diagram
EGCSE Completing the square 1
EGCSE Completing the square 1
EGCSE Analytical Geometry Mock 2025 Paper 4 Question 11
EGCSE Analytical Geometry Mock 2025 Paper 4 Question 11
EGCSE Tree Diagram 2025 Mock Paper 4 Question 12
EGCSE Tree Diagram 2025 Mock Paper 4 Question 12
EGCSE Circle Geometry Mock 2025 Paper 4 Q10
EGCSE Circle Geometry Mock 2025 Paper 4 Q10
EGCSE Transformation 2025 Mock P4 Question 9
EGCSE Transformation 2025 Mock P4 Question 9
EGCSE Sets - Venn Diagram 4
EGCSE Sets - Venn Diagram 4
Vectors 2 Part b
Vectors 2 Part b
Vectors 2
Vectors 2
Vectors 1
Vectors 1
Sets - Tree Diagrams - 1
Sets - Tree Diagrams - 1
Sets - Venn Diagram 3
Sets - Venn Diagram 3
Sets - Venn Diagram 2
Sets - Venn Diagram 2
Sets - Venn Diagram 1 Continuation
Sets - Venn Diagram 1 Continuation
Sets - Venn Diagram - 1
Sets - Venn Diagram - 1
Solving a system of ODEs in Octave
Solving a system of ODEs in Octave