Getting the desired data
function CopyCals() {
var ss=SpreadsheetApp.getActive();
var sh1=ss.getSheetByName('Sheet1');
var sh2=ss.getSheetByName('Sheet2');
sh2.appendRow([new Date(),'',sh1.getRange('B30').getValue(),sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-(sh1.getRange('E30').getValue()-2500)]);
};
This is probably easier to write:
function CopyCals() {
var ss=SpreadsheetApp.getActive();
var sh1=ss.getSheetByName('Sheet1');
var sh2=ss.getSheetByName('Sheet2');
var b30=sh1.getRange('B30').getValue();
var e30=sh1.getRange('E30').getValue();
sh2.appendRow([new Date(),'',b30,e30,b30-e30,b30-(E30-2500)]);
//sh2.appendRow([new Date(),'',sh1.getRange('B30').getValue(),sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-(sh1.getRange('E30').getValue()-2500)]);
}
I would probably prefer doing it something like this:
function CopyCals() {
var ss=SpreadsheetApp.getActive();
var sh1=ss.getSheetByName('Sheet1');
var sh2=ss.getSheetByName('Sheet2');
var vA=sh1.getRange('B30:B31').getValues();
var b30=vA[0][0];
var b31=vA[1][0];
//var b30=sh1.getRange('B30').getValue();
//var e30=sh1.getRange('E30').getValue();
sh2.appendRow([new Date(),'',b30,e30,b30-e30,b30-(E30-2500)]);
//sh2.appendRow([new Date(),'',sh1.getRange('B30').getValue(),sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-(sh1.getRange('E30').getValue()-2500)]);
}
If you had a lot of data and it's all grouped together nicely then the later can save you lot's of time because you only have to do one read to get all of the data at one time.
In the latter approach its helpful to use your debugger to help you to get a picture of what the data looks like:
vA=[[value in B30],[value in B31]] so the vA[0][0] is B30 and vA[1][0] is B31
And here is yet another way to write the getRange() function:
function CopyCals() {
var ss=SpreadsheetApp.getActive();
var sh1=ss.getSheetByName('Sheet1');
var sh2=ss.getSheetByName('Sheet2');
var vA=sh1.getRange(30,2,2,1).getValues();
//var vA=sh1.getRange('B30:B31').getValues();
var b30=vA[0][0];
var b31=vA[1][0];
//var b30=sh1.getRange('B30').getValue();
//var e30=sh1.getRange('E30').getValue();
sh2.appendRow([new Date(),'',b30,e30,b30-e30,b30-(E30-2500)]);
//sh2.appendRow([new Date(),'',sh1.getRange('B30').getValue(),sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-(sh1.getRange('E30').getValue()-2500)]);
}
And just to make matters even a little more complicated for you a lot of times it's helpful to get the entire page of values all at one time so in that case this is what you left with.
function CopyCals() {
var ss=SpreadsheetApp.getActive();
var sh1=ss.getSheetByName('Sheet1');
var sh2=ss.getSheetByName('Sheet2');
var vA=sh1.getDataRange().getValues();
var b30=vA[29][1];
var b31=vA[30][1];
//var vA=sh1.getRange('B30:B31').getValues();//gets all the data at one time
//var b30=vA[0][0];
//var b31=vA[1][0];
//var b30=sh1.getRange('B30').getValue();
//var e30=sh1.getRange('E30').getValue();
sh2.appendRow([new Date(),'',b30,e30,b30-e30,b30-(E30-2500)]);
//sh2.appendRow([new Date(),'',sh1.getRange('B30').getValue(),sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-sh1.getRange('E30').getValue(),sh1.getRange('B30').getValue()-(sh1.getRange('E30').getValue()-2500)]);
}
All of these function do the same thing you can pick which one you want depending upon what your trying to accomplish.