By Alan Graham
Read or Download Basic Mathematics: Teach Yourself PDF
Best chemical engineering books
In Chemical Engineering Dynamics, the modelling of dynamic chemical engineering procedures is gifted in a hugely comprehensible manner utilizing the original mixture of simplified primary thought and direct hands-on machine simulation. the math is stored to a minimal, and but the approximately a hundred examples provided on a CD-ROM illustrate nearly each point of chemical engineering technology.
A truly certain, practicable method of bettering power potency and price effectiveness in petroleum processing, facing the position of administration and refinery operators in attaining the easiest technological parameters, the main rational usage of power, in addition to the best attainable financial luck.
Availability of cheap power is a key think about offering monetary development and a much better way of life. For transportation, just about all of the liquid fuels are made out of crude oil. replacement carbon resources are getting used for transportation fuels simply on a constrained scale, and examine efforts concentrating on the conversion of coal, traditional gasoline, biomass and waste to liquid items (XTL conversion) ebb and movement with the cost of crude oil.
Additional resources for Basic Mathematics: Teach Yourself
Ordering numbers Most calculators can be set up to produce number sequences. Here is a simple one to try. Press + 1 Now press = repeatedly. You should see the counting numbers in sequence: 2, 3, 4, 5, 6, … If this has not happened, try the following. Either: Press 1 + + and then the = repeatedly. Or: Press 1 + 1 and then the = repeatedly. What is going on here is that your calculator is doing a constant ‘add 1’ calculation. 2. The magic number machine 17 Insight The capability to perform ‘constant’ calculations like this is available on most calculators in some form.
Since 14 is 2 × 7, you can ﬁrst divide by 2 (224 ÷ 2 = 112) and then divide by 7 (112 ÷ 7 = 16). PENCIL AND PAPER DIVISION Unlike pencil and paper addition, subtraction and multiplication, the usual written procedures for division are based on working from left to right, starting with the hundreds, then the tens and then the units. There are two traditional methods of pencil and paper division, known as ‘short’ and ‘long’ division. Long division is usually reserved for calculations involving large numbers.
However, perhaps your selection didn’t work out like this and, when the two equal rows were formed, there was an odd one over – like this: the odd one over When any selection of things that are laid out into two rows produce an odd one over, then there must have been an odd number of them. In this case, choosing 11 coins produced two equal rows of ﬁve each plus an odd one over. So 11 is an odd number. 1 will give you practice at deciding whether a number is even or odd. 1 Even or odd? For each number, mark the box corresponding to whether it is even or odd.