Adds 42 to any number entered

Multiplies 2 entered values

Multiplies single entered value by 2 different set values

Multiplies slider value by set value

Calculates the area of a room by multiplying 2 sliders

Calculates a rooms wall area by multiplying perimeter length by wall height and displays it to 2 decimal places

More sliders for paint properties

Calculates the required number of cans of paint based on Pi calc and sliders above

Rounds up the cans needed to nearest whole number

All the above Pi's in one Pi

Using a function to display months based on the slider value

Multiple Pi's with functions that generate values used in other Pi's to produce a day based on 3 select boxes.

Taken from https://en.wikipedia.org/wiki/Zeller%27s_congruence

Where:

• h is the day of the week (0 = Saturday, 1 = Sunday, 2 = Monday, ..., 6 = Friday)
• q is the day of the month
• m is the month (3 = March, 4 = April, 5 = May, ..., 14 = February)
• K the year of the century unless its Jan or Feb then its year -1
• J is the zero-based century (actually ) For example, the zero-based centuries for 1995 and 2000 are 19 and 20 respectively (to not be confused with the common ordinal century enumeration which indicates 20th for both cases).

Manipulating CSS on this page via Pi

Time zone example that gives the date/time of others around the world to plan a meeting

Calculates the difference between 2 date pickers and displays it in days, hours and seconds