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here is a short video by Georg Pólya on maths and proofs, first guess then prove and a longer one

i thought by now thsc would have the 2024 papers up, but alas i have been informed that the 2024 trials probably won't go up there this year. when the dude who runs that does his thing one would expect there would be more there - and there probably will be eventually. so this thread...

Rose Bay Modern History 2024 trial: https://community.boredofstudies.org/resources/rose-bay-2024-modern-history-trial.20624/ added to post #4

Rose Bay 2024 Modern History Trial

entwistle trials for maths advanced , extension 1 and extension 2 are added to post #1 solutions may be available soon at https://www.entwistlemathematics.com.au/resource

this thread started 2 years ago when some japanese guys came to tweed heads to show the prototype of the fx-8200 AU 9 months before it was released. well they're back with another prototype of the new fx-1 AU to be released July 2025. today i got to use it and made a photo of it: there are...

here's a eco: https://community.boredofstudies.org/resources/baulkham-hills-2024-economics-trial.20602/

2024 Parramatta Chemistry: https://community.boredofstudies.org/resources/parramatta-2024-chemistry-trial.20620/ added to post #4 it has some font issues but i think u can still understand it

Parramatta 2024 Chemistry trial

north sydney girls 2024 mathematics advanced trial: https://community.boredofstudies.org/resources/2024-north-sydney-girls-mathematics-advanced-trial.20619/ added to post #1

2024 north sydney girls mathematics advanced trial

so why would you want to anyway - well it does this: unit circle exact values too

i worked out how to change language to english in the new japanese one (fx-JP900CW) so to start it looks like this: highlighted one is calculate OK Settings V OK V V OK OK HOME and then you see this

notice too that the black and white on the buttons in the new japanese one are inverted which is also better

newly added to emulator physically here is one of them - solar powered, gold shift functions! that's MUCH BETTER! Now we just need nCr and nPr buttons on front, not hidden in menu

now they can put it in year 7 syllabus!

\text{second one is just }x=e^{-1} \text{first one you can write }\textstyle\frac{e^{i\theta}-e^{-i\theta}}{2i}=2 and this kid did it: and who ever said they can’t do it?

i certainly understand and respect that there will be a range of opinions on this issue from people with diverse backgrounds perhaps a list of exercises on exponential form would be better suited in another thread for another day, but here are some comments from an esteemed professor from a uni...

hurlstone: https://community.boredofstudies.org/resources/hurlstone-chemistry-2024-trial.20610/

watching never let go now