Compound Interest What is compound interest? Interest is a small percentage paid by a bank or company that is added on to an initial investment Interest can also refer to an amount paid on a loan o...
Many real-life situations can be modelled using sequences and series, including but not limited to: patterns made when tiling floors; seating people around a table; the rate of change of a populati...
Edexcel IGCSE Physics 复习笔记 5.2.5 Core Practical: Investigating Specific Heat Capacity Core Practical 11: Investigating Specific Heat Capacity Aim of the Experiment The aim of this experi...
Geometric Sequences What is a geometric sequence? In a geometric sequence, there is a common ratio, r, between consecutive terms in the sequence For example, 2, 6, 18, 54, 162, … is a sequence with...
Arithmetic Sequences What is an arithmetic sequence? In an arithmetic sequence, the difference between consecutive terms in the sequence is constant This constant difference is known as the common ...
Edexcel IGCSE Physics 复习笔记 5.2.4 Specific Heat Capacity Specific Heat Capacity How much the temperature of a system increases depends on: The mass of the substance heated The type of mat...
Language of Sequences & Series What is a sequence? A sequence is an ordered set of numbers with a rule for finding all of the numbers in the sequence For example 1, 3, 5, 7, 9, … is a sequence ...
Introduction to Logarithms What are logarithms? Why use logarithms? Logarithms allow us to solve equations where the exponent is the unknown value We can solve some of these by inspection Exam Tip ...
Edexcel IGCSE Physics 复习笔记 5.2.2 Changes of State Changes of State When a substance changes state, the number of molecules in that substance doesn’t change and so neither does its mass T...
