Syllabus

Home position: 4 5 6　Rest your right index finger on 4, middle finger on 5 (the one with the bump) and ring finger on 6. Press Enter with your little finger after each number.
Top row: 7 8 9　Reach straight up with the same fingers for 7 8 9, then come back to 4 5 6.
Bottom row: 1 2 3　Reach down for 1 2 3. Each finger covers one column: index 7 4 1, middle 8 5 2, ring 9 6 3.
0 (thumb)　Press 0 with your thumb. Amounts often have several zeros in a row, so get used to the thumb rhythm.
Review: all digits　Numbers that mix 0 to 9. Keep your eyes off your hand and focus on accuracy.
Decimal point .　The decimal point . sits to the right of 0. Press it with your ring finger. Practice tax rates and unit prices.
+ and -　Press + and - on the right edge with your little finger. Addition and subtraction.
* and /　On the top row, press / with your middle finger and * with your ring finger. Multiplication and division.
Amounts 1: 3 to 5 digits　Everyday amounts from shopping and expense reports.
Amounts 2: 6 to 8 digits　Larger amounts from invoices and sales figures. Don't miscount the zeros.
Calculations　Tax-inclusive prices, totals and discounts: the formulas you type into a calculator or spreadsheet.
Wrap-up: entering slips　Enter the slip number, quantity, unit price and amount for each line, then the total and the tax-inclusive total.