There is just open lab tomorrow. I have another assignment from the College all day, so I can't be there.

Check out the debugged version of the ellipse program:
ellipse03 and a geogebra program to illustrate: ellipseFolding

Chapter 11
testChemSyms

We didn't sort all the troubles in this, but it develops the seekg(), seekp(), peekg() and tellg() functions: sumNum02

We woodshed on the SF ChemGrid some more, generating random grids and checking if at least the rows were words.
Is it rolling, Bob?
ChemGrid20190313

Axis

Check out the improved version:
SFMLChemGrid

Deadline for ChemWords project extended. There is a real dearth of solutions with all six-letter words, so here are some more data to help find solutions:

3letWords, 4letWords, 5letWords

Chapter 10: I/O
Getting started with SFML

ellipses01

Note that in the "concentrations" diffusion problem, grid.h can be as simple as "typedef vector<vector<int> > Grid;"

CS7BS19-Project02
sixLetterWords
Here's some help with the data entry: chemstrings

Chapter 10 of Stroustrup.

chapter.9.4.2-better_yet

Evolved but no def for day of week()

Chrono
Chrono

Chapter 9 of Stroustrup.
Recursion: fibonacci

chapter.9.4.2-Date

PPP2-9ex02

cs7B_S19_Project01
src

Chapter 8 of Stroustrup.

CS7BS19Project00
CS7BS19Project0-dbtut

name_hash

chapter.9.4.1
PPP2-8ex03
PPP2-8ex05