A-level生物必须要掌握的数学技能及知识点！
A-level生物有两大难点，一是知识太多太杂，需要记忆的内容很多，二是生物涉及的数学部分，也让很多数学底子不太好的同学感到头疼。今天就一起来看看学习A-level生物必须要掌握的数学技能及知识点！ A-level生物...
IB DP Maths: AA HL复习笔记4.4.1 Discrete Probability Distributions
Discrete Probability Distributions What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not ...
Edexcel IGCSE Chemistry 复习笔记1.5.6 Experiment: Finding Formulae of Compounds
Edexcel IGCSE Chemistry 复习笔记1.5.6 Experiment: Finding Formulae of Compounds Formulae of Simple Compounds by Experiment Making Careful Quantitative Measurements The formulae of simple com...
AQA A Level Physics复习笔记7.7.4 Required Practical: Charging & Discharging Capacitors
Required Practical: Charging & Discharging Capacitors Aim of the Experiment The overall aim of this experiment is to calculate the capacitance of a capacitor. This is just one example of...
AQA A Level Physics复习笔记7.7.3 Charge & Discharge Equations
Capacitor Discharge Equation The time constant is used in the exponential decay equations for the current, charge or potential difference (p.d) for a capacitor discharging through a resistor...
AQA A Level Physics复习笔记7.7.2 The Time Constant
The Time Constant The time constant of a capacitor discharging through a resistor is a measure of how long it takes for the capacitor to discharge The definition of the time constant is: The...
IB DP Maths: AA HL复习笔记4.3.4 Sample Space Diagrams
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate events from an experiment and are particularly useful when there is an overlap between possible outcomes A Venn diagram c...
IB DP Maths: AA HL复习笔记4.3.3 Bayes' Theorem
Bayes' Theorem What is Bayes’ Theorem How do I calculate conditional probabilities using Bayes’ Theorem? Start by drawing a tree diagram Label B1 & B2 (& B3 if necessary) on the first set o...
IB DP Maths: AA HL复习笔记4.3.2 Conditional Probability
Conditional Probability What is conditional probability? Conditional probability is where the probability of an event happening can vary depending on the outcome of a prior event The event A happen...
